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Technical Data Sheet
PartsTable / O-RING / EMD-1444
EMD-1444 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC FLUOROCARBON, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.453 INCHES NOMINAL IN, special_features: FLUOROELASTOMER, O-RING 9MM X 2MM MM, center_hole_diameter: 0.358 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN, end_item_identification: MRAP, MAXXPRO; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-547-4014, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
EMD-1444
NSN: 5331-01-547-4014
FSC: 5331 — O-RING
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
materialPLASTIC FLUOROCARBON
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter0.453 INCHES NOMINAL IN
special_featuresFLUOROELASTOMER, O-RING 9MM X 2MM MM
center_hole_diameter0.358 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
end_item_identificationMRAP, MAXXPRO; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
part_name_assigned_by_controlling_agencySEAL,O-RING 9MM X 2MM MM
NSN5331-01-547-4014
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: EMD-1444 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1820878C2Interchangeable
interchangeable cross-reference
interchangeable
EMD-1444Interchangeable
interchangeable cross-reference
interchangeable
1818402C2Interchangeable
interchangeable cross-reference
interchangeable
1841581C1Interchangeable
interchangeable cross-reference
interchangeable
1823790C1Interchangeable
interchangeable cross-reference
interchangeable
1831398C1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EMD-1444?
EMD-1444 is a O-RING.
What parts can replace EMD-1444?
There are 12 known substitutes for EMD-1444: 1820878C2, EMD-1444, 1818402C2 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EMD-1444?
EMD-1444 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-547-4014. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026